/*	$NetBSD: usbdi.h,v 1.40 2000/02/02 07:34:00 augustss Exp $	*/
/*	$FreeBSD$	*/

/*
 * Copyright (c) 1998 The NetBSD Foundation, Inc.
 * All rights reserved.
 *
 * This code is derived from software contributed to The NetBSD Foundation
 * by Lennart Augustsson (lennart@augustsson.net) at
 * Carlstedt Research & Technology.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. All advertising materials mentioning features or use of this software
 *    must display the following acknowledgement:
 *        This product includes software developed by the NetBSD
 *        Foundation, Inc. and its contributors.
 * 4. Neither the name of The NetBSD Foundation nor the names of its
 *    contributors may be used to endorse or promote products derived
 *    from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */

typedef struct usbd_bus		*usbd_bus_handle;
typedef struct usbd_device	*usbd_device_handle;
typedef struct usbd_interface	*usbd_interface_handle;
typedef struct usbd_pipe	*usbd_pipe_handle;
typedef struct usbd_xfer	*usbd_xfer_handle;
typedef void			*usbd_private_handle;

typedef enum {		/* keep in sync with usbd_status_msgs */ 
	USBD_NORMAL_COMPLETION = 0, /* must be 0 */
	USBD_IN_PROGRESS,
	/* errors */
	USBD_PENDING_REQUESTS,
	USBD_NOT_STARTED,
	USBD_INVAL,
	USBD_NOMEM,
	USBD_CANCELLED,
	USBD_BAD_ADDRESS,
	USBD_IN_USE,
	USBD_NO_ADDR,
	USBD_SET_ADDR_FAILED,
	USBD_NO_POWER,
	USBD_TOO_DEEP,
	USBD_IOERROR,
	USBD_NOT_CONFIGURED,
	USBD_TIMEOUT,
	USBD_SHORT_XFER,
	USBD_STALLED,
	USBD_INTERRUPTED,

	USBD_ERROR_MAX,		/* must be last */
} usbd_status;

typedef void (*usbd_callback)(usbd_xfer_handle, usbd_private_handle,
				   usbd_status);

/* Open flags */
#define USBD_EXCLUSIVE_USE	0x01

/* Use default (specified by ep. desc.) interval on interrupt pipe */
#define USBD_DEFAULT_INTERVAL	(-1)

/* Request flags */
#define USBD_NO_COPY		0x01	/* do not copy data to DMA buffer */
#define USBD_SYNCHRONOUS	0x02	/* wait for completion */
/* in usb.h #define USBD_SHORT_XFER_OK	0x04*/	/* allow short reads */
#define USBD_FORCE_SHORT_XFER	0x08	/* force last short packet on write */

/* XXX Temporary hack XXX */
#define USBD_NO_TSLEEP		0x80	/* XXX use busy wait */

#define USBD_NO_TIMEOUT 0
#define USBD_DEFAULT_TIMEOUT 5000 /* ms = 5 s */

#if defined(__FreeBSD__)
#define USB_CDEV_MAJOR 108
#endif

usbd_status usbd_open_pipe
	(usbd_interface_handle iface, u_int8_t address,
	 u_int8_t flags, usbd_pipe_handle *pipe);
usbd_status usbd_close_pipe	(usbd_pipe_handle pipe);
usbd_status usbd_transfer	(usbd_xfer_handle req);
usbd_xfer_handle usbd_alloc_xfer (usbd_device_handle);
usbd_status usbd_free_xfer	(usbd_xfer_handle xfer);
void usbd_setup_xfer
	(usbd_xfer_handle xfer, usbd_pipe_handle pipe,
	 usbd_private_handle priv, void *buffer,
	 u_int32_t length, u_int16_t flags, u_int32_t timeout,
	 usbd_callback);
void usbd_setup_default_xfer
	(usbd_xfer_handle xfer, usbd_device_handle dev,
	 usbd_private_handle priv, u_int32_t timeout,
	 usb_device_request_t *req,  void *buffer,
	 u_int32_t length, u_int16_t flags, usbd_callback);
void usbd_setup_isoc_xfer	
	(usbd_xfer_handle xfer, usbd_pipe_handle pipe,
	 usbd_private_handle priv, u_int16_t *frlengths,
	 u_int32_t nframes, u_int16_t flags, usbd_callback);
void usbd_get_xfer_status
	(usbd_xfer_handle xfer, usbd_private_handle *priv,
	 void **buffer, u_int32_t *count, usbd_status *status);
usb_endpoint_descriptor_t *usbd_interface2endpoint_descriptor
	(usbd_interface_handle iface, u_int8_t address);
usbd_status usbd_abort_pipe(usbd_pipe_handle pipe);
usbd_status usbd_clear_endpoint_stall(usbd_pipe_handle pipe);
usbd_status usbd_clear_endpoint_stall_async(usbd_pipe_handle pipe);
void usbd_clear_endpoint_toggle(usbd_pipe_handle pipe);
usbd_status usbd_endpoint_count
	(usbd_interface_handle dev, u_int8_t *count);
usbd_status usbd_interface_count
	(usbd_device_handle dev, u_int8_t *count);
usbd_status usbd_interface2device_handle
	(usbd_interface_handle iface, usbd_device_handle *dev);
usbd_status usbd_device2interface_handle
	(usbd_device_handle dev, u_int8_t ifaceno, usbd_interface_handle *iface);

usbd_device_handle usbd_pipe2device_handle(usbd_pipe_handle);
void *usbd_alloc_buffer(usbd_xfer_handle req, u_int32_t size);
void usbd_free_buffer(usbd_xfer_handle req);
void *usbd_get_buffer(usbd_xfer_handle xfer);
usbd_status usbd_sync_transfer(usbd_xfer_handle req);
usbd_status usbd_open_pipe_intr
	(usbd_interface_handle iface, u_int8_t address,
	 u_int8_t flags, usbd_pipe_handle *pipe,
	 usbd_private_handle priv, void *buffer,
	 u_int32_t length, usbd_callback, int);
usbd_status usbd_do_request 
	(usbd_device_handle pipe, usb_device_request_t *req, void *data);
usbd_status usbd_do_request_async
	(usbd_device_handle pipe, usb_device_request_t *req, void *data);
usbd_status usbd_do_request_flags
	(usbd_device_handle pipe, usb_device_request_t *req, 
	 void *data, u_int16_t flags, int *);
usb_interface_descriptor_t *usbd_get_interface_descriptor
	(usbd_interface_handle iface);
usb_config_descriptor_t *usbd_get_config_descriptor
	(usbd_device_handle dev);
usb_device_descriptor_t *usbd_get_device_descriptor
	(usbd_device_handle dev);
usbd_status usbd_set_interface(usbd_interface_handle, int);
int usbd_get_no_alts(usb_config_descriptor_t *, int);
usbd_status	usbd_get_interface
	(usbd_interface_handle iface, u_int8_t *aiface);
void usbd_fill_deviceinfo 
	(usbd_device_handle dev, struct usb_device_info *di, int usedev);
int usbd_get_interface_altindex(usbd_interface_handle iface);

usb_interface_descriptor_t *usbd_find_idesc
	(usb_config_descriptor_t *cd, int iindex, int ano);
usb_endpoint_descriptor_t *usbd_find_edesc
	(usb_config_descriptor_t *cd, int ifaceidx, int altidx, 
	     int endptidx);

void usbd_dopoll(usbd_interface_handle);
void usbd_set_polling(usbd_interface_handle iface, int on);

const char *usbd_errstr(usbd_status err);

void usbd_add_dev_event (int, usbd_device_handle);
void usbd_add_drv_event (int, usbd_device_handle, device_ptr_t);

void usbd_devinfo(usbd_device_handle, int, char *);
const struct usbd_quirks *usbd_get_quirks(usbd_device_handle);
usb_endpoint_descriptor_t *usbd_get_endpoint_descriptor
	(usbd_interface_handle iface, u_int8_t address);

usbd_status usbd_reload_device_desc(usbd_device_handle);

/* NetBSD attachment information */

/* Attach data */
struct usb_attach_arg {
	int			port;
	int			configno;
	int			ifaceno;
	int			vendor;
	int			product;
	int			release;
	usbd_device_handle	device;	/* current device */
	usbd_interface_handle	iface; /* current interface */
	int			usegeneric;
	usbd_interface_handle  *ifaces;	/* all interfaces */
	int			nifaces; /* number of interfaces */
};

#if defined(__NetBSD__) || defined(__OpenBSD__)
/* Match codes. */
/* First five codes is for a whole device. */
#define UMATCH_VENDOR_PRODUCT_REV			14
#define UMATCH_VENDOR_PRODUCT				13
#define UMATCH_VENDOR_DEVCLASS_DEVPROTO			12
#define UMATCH_DEVCLASS_DEVSUBCLASS_DEVPROTO		11
#define UMATCH_DEVCLASS_DEVSUBCLASS			10
/* Next six codes are for interfaces. */
#define UMATCH_VENDOR_PRODUCT_REV_CONF_IFACE		 9
#define UMATCH_VENDOR_PRODUCT_CONF_IFACE		 8
#define UMATCH_VENDOR_IFACESUBCLASS_IFACEPROTO		 7
#define UMATCH_VENDOR_IFACESUBCLASS			 6
#define UMATCH_IFACECLASS_IFACESUBCLASS_IFACEPROTO	 5
#define UMATCH_IFACECLASS_IFACESUBCLASS			 4
#define UMATCH_IFACECLASS				 3
#define UMATCH_IFACECLASS_GENERIC			 2
/* Generic driver */
#define UMATCH_GENERIC					 1
/* No match */
#define UMATCH_NONE					 0

#elif defined(__FreeBSD__)
/* FreeBSD needs values less than zero */
#define UMATCH_VENDOR_PRODUCT_REV			(-10)
#define UMATCH_VENDOR_PRODUCT				(-20)
#define UMATCH_VENDOR_DEVCLASS_DEVPROTO			(-30)
#define UMATCH_DEVCLASS_DEVSUBCLASS_DEVPROTO		(-40)
#define UMATCH_DEVCLASS_DEVSUBCLASS			(-50)
#define UMATCH_VENDOR_PRODUCT_REV_CONF_IFACE		(-60)
#define UMATCH_VENDOR_PRODUCT_CONF_IFACE		(-70)
#define UMATCH_VENDOR_IFACESUBCLASS_IFACEPROTO		(-80)
#define UMATCH_VENDOR_IFACESUBCLASS			(-90)
#define UMATCH_IFACECLASS_IFACESUBCLASS_IFACEPROTO	(-100)
#define UMATCH_IFACECLASS_IFACESUBCLASS			(-110)
#define UMATCH_IFACECLASS				(-120)
#define UMATCH_IFACECLASS_GENERIC			(-130)
#define UMATCH_GENERIC					(-140)
#define UMATCH_NONE					(ENXIO)

#endif

#if defined(__FreeBSD__)
int usbd_driver_load(module_t mod, int what, void *arg);
#endif

/*
 * XXX
 * splusb MUST be the lowest level interrupt so that within USB callbacks
 * the level can be raised the appropriate level.
 * XXX Should probably use a softsplusb.
 */
/* XXX */
#define splusb splbio
#define splhardusb splbio
#define IPL_USB IPL_BIO
/* XXX */